MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to trick the user into navigating to a potentially harmful external resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://synerhu.ru/uplcv?utm_term=trains+and+trucks+tycoon PDF link annotation
- http://patronusalapitvany.hu/public_html/upload/ruwovevireluwipu.pdfIn PDF document text
- https://elemonbg.com/Files/File/javexamotutovumopi.pdfIn PDF document text
- https://dortmundpools.com/contents/files/61229993581.pdfIn PDF document text
- http://eotp.info/sites/default/files/fck/file/33386770067.pdfIn PDF document text
- http://auswallendorf.de/userfiles/file/66459878843.pdfIn PDF document text
- https://ijfbacknumber.com/editor_up/kedatiketopapivulegiz.pdfIn PDF document text
- http://getsolarnj.com/userfiles/file/20188637619.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/vigufukunigonikedejo.pdfIn PDF document text
- http://olymp-kiev.com/temp/fckeditor/file/jebarofujipu.pdfIn PDF document text
- http://maybomnuocdanang.com/uploads/image/files/remodilufib.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161585aa5321e3---zoxijinaliwesisefaxivejo.pdfIn PDF document text
- https://chupwo.com/editor_upload/file/xikadesibuwidupuvitabinar.pdfIn PDF document text
- http://olympicthesportshop.in/uploads/10159258808.pdfIn PDF document text
- https://hoatuoi360.vn/uploads/files/56734894455.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16146c88b9fa66---80353567184.pdfIn PDF document text
- https://oreopay57.com/ckfinder/userfiles/files/vexurazuriwekavagez.pdfIn PDF document text
- https://hanoihome.net/img_duhoc/files/zupolerov.pdfIn PDF document text
- http://jmdfhjl.com/fckeditor/userimages/file/38483967896.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/kanapiduxakimadija.pdfIn PDF document text
- http://hamzalegalservices.com/userfiles/file/35993358585.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/8b295afdbdff6d37d689f919d54fcad0/91285105638.pdfIn PDF document text
- http://www.jfac.kr/ckfinder/userfiles/files/xatuxereveza.pdfIn PDF document text
- http://ghibms.com/userfiles/files/53579526353.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dcf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f50c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50C | 10452 bytes |
SHA-256: a1444b1ba23c4bab3e5b01b45c2e191b4986d58e3dd88419c55d35c5b87e7077 |
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font_02_sfnt_off00010cf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CF3 | 20664 bytes |
SHA-256: e2ae032bc1c05c6d11302b970a4145b364d3be9f7b003da1d7e9ae863169abcc |
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